• Spine · Sep 2020

    Later Surgical Start Time is Associated with Longer Length of Stay and Higher Cost In Cervical Spine Surgery.

    • Sean N Neifert, Colin D Lamb, Jonathan S Gal, Michael L Martini, Dominic A Nistal, Robert J Rothrock, Jeffrey Gilligan, Samuel Z Maron, and John M Caridi.
    • Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY.
    • Spine. 2020 Sep 1; 45 (17): 1171-1177.

    Study DesignRetrospective study of a surgical cohort from a single, large academic institution.ObjectiveThe aim of this study was to investigate associations between surgical start time, length of stay, cost, perioperative outcomes, and readmission.Summary Of Background DataOne retrospective study with a smaller cohort investigated associations between surgical start time and outcomes in spine surgery and found that early start times were correlated with shorter length of stay. No examinations of perioperative outcomes or cost have been performed.MethodsAll patients undergoing anterior cervical discectomy and fusion (ACDF) and posterior cervical decompression and fusion (PCDF) were queried from a single institution from January 1, 2008 to November 30, 2016. Patients undergoing surgery that started between 12:00 AM and 6:00 AM were excluded due to their likely emergent nature. Cases starting before and after 2:00 PM were compared on the basis of length of stay and cost as the primary outcomes using multivariable logistic regression.ResultThe patients undergoing ACDF and PCDF were both similar on the basis of comorbidity burden, preoperative diagnosis, and number of segments fused. The patients undergoing ACDF starting after 2 PM had longer LOS values (adjusted difference of 0.65 days; 95% confidence interval [CI]: 0.28-1.03; P = 0.0006) and higher costs of hospitalization (adjusted difference of $1177; 95% CI: $549-$1806; P = 0.0002). Patients undergoing PCDF starting after 2 PM also had longer LOS values (adjusted difference of 1.19 days; 95% CI: 0.46-1.91; P = 0.001) and higher costs of hospitalization (adjusted difference of $2305; 95% CI: $826-$3785; P = 0.002).ConclusionLater surgical start time is associated with longer LOS and higher cost. These findings should be further confirmed in the spine surgical literature to investigate surgical start time as a potential cost-saving measure.Level Of Evidence3.

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